MX353120B - Comfort noise generation. - Google Patents

Comfort noise generation.

Info

Publication number
MX353120B
MX353120B MX2016010339A MX2016010339A MX353120B MX 353120 B MX353120 B MX 353120B MX 2016010339 A MX2016010339 A MX 2016010339A MX 2016010339 A MX2016010339 A MX 2016010339A MX 353120 B MX353120 B MX 353120B
Authority
MX
Mexico
Prior art keywords
comfort noise
noise generation
generation
exploiting
apparatuses
Prior art date
Application number
MX2016010339A
Other languages
Spanish (es)
Other versions
MX2016010339A (en
Inventor
Eriksson Anders
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2016010339A publication Critical patent/MX2016010339A/en
Publication of MX353120B publication Critical patent/MX353120B/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Noise Elimination (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Apparatuses, arrangements and methods therein for generation of comfort noise are disclosed. In short, the solution relates to exploiting the spatial coherence of multiple input audio channels in order to generate high quality multi channel comfort noise.
MX2016010339A 2014-02-14 2014-02-14 Comfort noise generation. MX353120B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2014/050179 WO2015122809A1 (en) 2014-02-14 2014-02-14 Comfort noise generation

Publications (2)

Publication Number Publication Date
MX2016010339A MX2016010339A (en) 2016-11-11
MX353120B true MX353120B (en) 2017-12-20

Family

ID=50193566

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2016010339A MX353120B (en) 2014-02-14 2014-02-14 Comfort noise generation.
MX2017016769A MX367544B (en) 2014-02-14 2014-02-14 Comfort noise generation.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2017016769A MX367544B (en) 2014-02-14 2014-02-14 Comfort noise generation.

Country Status (6)

Country Link
US (4) US10861470B2 (en)
EP (2) EP3244404B1 (en)
BR (1) BR112016018510B1 (en)
ES (1) ES2687617T3 (en)
MX (2) MX353120B (en)
WO (1) WO2015122809A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2687617T3 (en) * 2014-02-14 2018-10-26 Telefonaktiebolaget Lm Ericsson (Publ) Comfort noise generation
US10542153B2 (en) * 2017-08-03 2020-01-21 Bose Corporation Multi-channel residual echo suppression
US10594869B2 (en) 2017-08-03 2020-03-17 Bose Corporation Mitigating impact of double talk for residual echo suppressors
WO2019070722A1 (en) 2017-10-03 2019-04-11 Bose Corporation Spatial double-talk detector
EP4273858A1 (en) * 2018-04-05 2023-11-08 Telefonaktiebolaget LM Ericsson (publ) Support for generation of comfort noise, and generation of comfort noise
EP3815082B1 (en) * 2018-06-28 2023-08-02 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive comfort noise parameter determination
US10964305B2 (en) 2019-05-20 2021-03-30 Bose Corporation Mitigating impact of double talk for residual echo suppressors
GB2596138A (en) * 2020-06-19 2021-12-22 Nokia Technologies Oy Decoder spatial comfort noise generation for discontinuous transmission operation
BR112023003557A2 (en) * 2020-08-31 2023-04-04 Fraunhofer Ges Forschung MULTI-CHANNEL SIGNAL GENERATOR, METHOD FOR GENERATING A MULTI-CHANNEL SIGNAL, AUDIO ENCODER, AUDIO CODING METHOD AND MULTI-CHANNEL AUDIO SIGNAL
EP4330963A1 (en) * 2021-04-29 2024-03-06 VoiceAge Corporation Method and device for multi-channel comfort noise injection in a decoded sound signal
WO2024074302A1 (en) 2022-10-05 2024-04-11 Telefonaktiebolaget Lm Ericsson (Publ) Coherence calculation for stereo discontinuous transmission (dtx)
GB2626335A (en) * 2023-01-18 2024-07-24 Nokia Technologies Oy Acoustic echo cancellation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577862B1 (en) * 1999-12-23 2003-06-10 Ericsson Inc. System and method for providing comfort noise in a mobile communication network
US7698008B2 (en) * 2005-09-08 2010-04-13 Apple Inc. Content-based audio comparisons
US20080004870A1 (en) 2006-06-30 2008-01-03 Chi-Min Liu Method of detecting for activating a temporal noise shaping process in coding audio signals
EP2054882B1 (en) 2006-08-15 2011-01-19 Dolby Laboratories Licensing Corporation Arbitrary shaping of temporal noise envelope without side-information
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
FR2950461B1 (en) * 2009-09-22 2011-10-21 Parrot METHOD OF OPTIMIZED FILTERING OF NON-STATIONARY NOISE RECEIVED BY A MULTI-MICROPHONE AUDIO DEVICE, IN PARTICULAR A "HANDS-FREE" TELEPHONE DEVICE FOR A MOTOR VEHICLE
WO2011129725A1 (en) * 2010-04-12 2011-10-20 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for noise cancellation in a speech encoder
US8589153B2 (en) 2011-06-28 2013-11-19 Microsoft Corporation Adaptive conference comfort noise
CN104050969A (en) * 2013-03-14 2014-09-17 杜比实验室特许公司 Space comfortable noise
ES2687617T3 (en) * 2014-02-14 2018-10-26 Telefonaktiebolaget Lm Ericsson (Publ) Comfort noise generation

Also Published As

Publication number Publication date
US10861470B2 (en) 2020-12-08
EP3244404B1 (en) 2018-06-20
WO2015122809A1 (en) 2015-08-20
MX2016010339A (en) 2016-11-11
EP3105755B1 (en) 2017-07-26
US20220351738A1 (en) 2022-11-03
US11423915B2 (en) 2022-08-23
US11817109B2 (en) 2023-11-14
BR112016018510A2 (en) 2017-08-08
US20240185866A1 (en) 2024-06-06
BR112016018510B1 (en) 2022-05-31
US20170047072A1 (en) 2017-02-16
EP3244404A1 (en) 2017-11-15
ES2687617T3 (en) 2018-10-26
EP3105755A1 (en) 2016-12-21
US20210166703A1 (en) 2021-06-03
MX367544B (en) 2019-08-27

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